TYS - IAH

$92 Find Cheap Flights from Knoxville to Houston George Bush Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$184
Typical prices: $289-$479
Multiple Airlines
Sat 12/1Thu 12/6
TYS - IAH • 1 stop
Cheapest non-stop
$339
Typical prices: $292-$486
United Airlines
Wed 12/12Thu 12/13
TYS - IAH • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 2h 40m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $250 (round-trip)
Shortest trip • 4h 34m (one-way)
Insights
Insights
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We hope you love your trip to Houston George Bush Intcntl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Knoxville to George Bush Intcntl (TYS-IAH)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to George Bush Intcntl

Tue, Dec 1 - Sun, Dec 6
Multiple Airlines Logo
4:32 pm - 4:00 pmTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
24h 28m1 stop Fort Lauderdale
Multiple Airlines Logo
5:01 pm - 8:27 amIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
14h 26m1 stop Fort Lauderdale
$184Multiple Airlines
Thu, Dec 3 - Sun, Dec 6
Multiple Airlines Logo
9:00 pm - 4:00 pmTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
20h 00m1 stop Fort Lauderdale
Multiple Airlines Logo
5:01 pm - 8:27 amIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
14h 26m1 stop Fort Lauderdale
$186Multiple Airlines
Fri, Jan 29 - Thu, Feb 4
Multiple Airlines Logo
9:00 am - 2:37 pmTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
30h 37m2 stops Philadelphia Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:01 am - 6:42 pmIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
8h 41m1 stop Fort Lauderdale
$188Multiple Airlines
Fri, Jan 29 - Thu, Feb 4
Multiple Airlines Logo
9:00 am - 2:37 pmTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
30h 37m2 stops Philadelphia Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:01 am - 6:42 pmIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
8h 41m1 stop Fort Lauderdale
$188Multiple Airlines
Sat, Dec 5 - Tue, Dec 8
American Airlines Logo
2:55 pm - 6:42 pmTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
4h 47m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 2:02 pmIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
6h 02m1 stop Dallas/Fort Worth
$245American Airlines
Sat, Dec 12 - Wed, Dec 16
American Airlines Logo
11:50 am - 3:39 pmTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
4h 49m1 stop Dallas/Fort Worth
American Airlines Logo
6:56 pm - 12:35 amIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
4h 39m1 stop Dallas/Fort Worth
$265American Airlines
Fri, Dec 4 - Sat, Dec 12
American Airlines Logo
3:46 pm - 10:33 pmTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
7h 47m1 stop Charlotte Douglas
American Airlines Logo
6:00 am - 2:02 pmIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
7h 02m1 stop Dallas/Fort Worth
$265American Airlines
Sat, Dec 12 - Sun, Dec 13
United Airlines Logo
7:05 am - 8:45 amTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
2h 40mnonstop
United Airlines Logo
6:40 pm - 9:57 pmIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
2h 17mnonstop
$339United Airlines
Fri, Dec 4 - Sat, Dec 12
United Airlines Logo
7:05 am - 8:45 amTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
2h 40mnonstop
United Airlines Logo
3:05 pm - 6:18 pmIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
2h 13mnonstop
$339United Airlines
Sat, Dec 12 - Wed, Dec 16
United Airlines Logo
7:05 am - 8:45 amTYS  Knoxville McGhee Tyson-IAH Houston George Bush Intcntl
2h 40mnonstop
United Airlines Logo
8:00 am - 11:12 amIAH  Houston George Bush Intcntl-TYS Knoxville McGhee Tyson
2h 12mnonstop
$339United Airlines
Booking Insights

Price, demand and travel trends for Knoxville to Houston George Bush Intcntl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Knoxville to Houston George Bush Intcntl Airport?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Knoxville to Houston George Bush Intcntl Airport. It’s 11% cheaper than the average day, while Sunday is the most expensive, with prices 44% higher.

What’s the cheapest month to fly from Knoxville to Houston George Bush Intcntl Airport?

•January is the cheapest month to fly from Knoxville to Houston George Bush Intcntl Airport at $283 round-trip.
•July ($484) and August ($449) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 71% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Knoxville to Houston George Bush Intcntl Airport the cheapest?

Flights from Knoxville to Houston George Bush Intcntl Airport are cheapest 21 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Knoxville to Houston George Bush Intcntl Airport flights

Low season

July

Cheapest flight

$92
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 40% increase in travelers.
One-way flight from Knoxville to Houston George Bush Intcntl Airport

When to book flights from Knoxville to George Bush Intcntl

Are your dates flexible? Find out the best times to travel from Knoxville to George Bush Intcntl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Knoxville to Houston George Bush Intcntl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Knoxville to Houston George Bush Intcntl Airport?

    These are the earliest and latest flight times available from Knoxville to Houston George Bush Intcntl Airport:

    • Earliest: departs at 6:30 am and lands at 9:10 am
    • Latest: departs at 5:28 pm and lands at 8:08 pm.

    The flight takes about 2h 40m.

  • What cabin classes can I book on flights from Knoxville to Houston George Bush Intcntl Airport?

    Two cabin classes are available on flights from Knoxville to Houston George Bush Intcntl Airport:

    • Economy Class
    • First Class

  • How long is a flight from Knoxville to Houston George Bush Intcntl Airport?

    A nonstop flight from Knoxville to Houston George Bush Intcntl Airport takes 2h 40m, covering 770 miles.

  • Do I need a passport to fly from Knoxville to Houston George Bush Intcntl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Knoxville to Houston George Bush Intcntl Airport flight?

    Round-trip flights from Knoxville to Houston George Bush Intcntl Airport range from $289 to $479, with an average of $375 over the past 12 months. Anything below $289 counts as a good deal.

  • How expensive are last-minute Knoxville to Houston George Bush Intcntl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 28% above the $375 route average. Book 21 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Knoxville to Houston George Bush Intcntl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $250 round-trip via Denver Intl (DEN), compared to $384 for nonstop.

  • What is the standard checked-bag allowance on flights from Knoxville to Houston George Bush Intcntl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Knoxville to Houston George Bush Intcntl Airport?

    The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

  • How are flight departures from Knoxville to Houston George Bush Intcntl Airport spread across the day?

    Morning is the busiest departure period on Knoxville to Houston George Bush Intcntl Airport flights, with 67% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Knoxville to Houston George Bush Intcntl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $184 to $1,508. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Knoxville to Houston George Bush Intcntl Airport looking right now?

    One-way fares from Knoxville to Houston George Bush Intcntl Airport are currently lower than usual. Average one-way flight prices are about $176, which is 39% below the typical average for this route.

  • What car rental options are available at Houston George Bush Intcntl Airport (IAH)?

    Houston George Bush Intcntl Airport (IAH) hosts 5 major car rental companies, with daily rates averaging $40 for economy cars. Top options include:

    • ACO Rent A Car
    • Easirent
    • America Car Rental
    • Thrifty
    • Hertz

  • Which airports can I use when flying from Knoxville to Houston George Bush Intcntl Airport?

    Flights from Knoxville to Houston George Bush Intcntl Airport usually depart from Knoxville McGhee Tyson (TYS) and arrive at Houston George Bush Intcntl (IAH).

  • Which airports do connecting flights from Knoxville to Houston George Bush Intcntl Airport pass through?

    One-stop flights from Knoxville to Houston George Bush Intcntl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 47% of one-stop connections
    • Dallas/Fort Worth (DFW) - 42% of one-stop connections
    • Charlotte Douglas (CLT) - 6% of one-stop connections
    • Denver Intl (DEN) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Knoxville to Houston George Bush Intcntl Airport?

    Yes. Flexible dates can save you up to 39% on flights from Knoxville to Houston George Bush Intcntl Airport. Friday is the cheapest departure day at $334 round-trip on average, while Sunday is the most expensive at $540, a difference of $206.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Knoxville to Houston George Bush Intcntl Airport?

    Only United Airlines operates flights between Knoxville and Houston George Bush Intcntl Airport.

  • How much time can I save by choosing a different layover airport from Knoxville to Houston George Bush Intcntl Airport?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 34m, compared with 4h 39m via Dallas/Fort Worth (DFW) and 5h 27m via Charlotte Douglas (CLT).

  • What is the time difference between Knoxville and Houston George Bush Intcntl Airport?

    Houston George Bush Intcntl Airport is 1 hour behind Knoxville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Houston George Bush Intcntl Airport?

    Some of the most popular sights in Houston George Bush Intcntl Airport are George R. Brown Convention Center, Daikin Park and Houston Stadium. These are among the most viewed places in Houston George Bush Intcntl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Knoxville to Houston George Bush Intcntl Airport flights?

    Among airlines operating Knoxville to Houston George Bush Intcntl Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Knoxville to Houston George Bush Intcntl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Knoxville to Houston George Bush Intcntl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $334, about $206 less than Sunday fares (38% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to Houston George Bush Intcntl Airport trip for January. Fares historically average $283 round-trip in that month - typically $201 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $250 round-trip on this route - about $135 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Houston George Bush Intcntl Airport.

    • Houston Airport Marriott at George Bush Intercontinental

Prefer to fly direct from Knoxville to Houston George Bush Airport?

 
Find which airlines fly direct from Knoxville McGhee Tyson Airport to Houston George Bush Intcntl Airport, which days they fly and book direct flights.

Direct departures

Knoxville McGhee Tyson to Houston George Bush Intcntl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Houston George Bush Intcntl to Knoxville McGhee Tyson

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Knoxville to George Bush Intcntl

Complete your trip to Houston with a hotel stay or car rental